剪切速率愈大，发生冻胶强度下降的时间愈早。
The higher shear rate, the earlier reduction of strength of gel.
本文分析了钎焊焊缝强度下降的原因，并提出改进措施。
This paper analyses the cause of strength descent of brazing weld, and proposes improving measures.
随着加热保温时再结晶过程的进行，钢的强度下降而塑性逐步恢复。
With the development of recrystallization, the strength of the steel decrease and the plasticity resume gradually.
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